Matching (9) Match items in column A to column B

Column a Column b
1.
A.
Core
2.
B.
Inner Core
3.
C.
Lithosphere
4.
D.
Dense
5.
E.
Outer Core
6.
F.
Crust
7.
G.
Asthenosphere
8.
H.
Mantle
9.
I.
Convection